Small Cell Lung Cancer Treatment (Professional) (cont.)
Treatment Option Overview for Small Cell Lung Cancer
Chemotherapy and radiation therapy have been shown to improve survival for patients with small cell lung cancer (SCLC).
Chemotherapy improves the survival of patients with limited-stage disease (LD) or extensive-stage disease (ED), but it is curative in only a minority of patients.[1,2] Because patients with SCLC tend to develop distant metastases, localized forms of treatment, such as surgical resection or radiation therapy, rarely produce long-term survival. With incorporation of current chemotherapy regimens into the treatment program, however, survival is prolonged, with at least a fourfold to fivefold improvement in median survival compared with patients who are given no therapy.
The combination of platinum and etoposide is the most widely used standard chemotherapeutic regimen.[4,5,6][Level of evidence: 1iiA] No consistent survival benefit has resulted from platinum versus nonplatinum combinations, increased dose intensity or dose density, altered mode of administration (e.g., alternating or sequential administration) of various chemotherapeutic agents, or maintenance chemotherapy.[7,8,9,10,11,12][Level of evidence: 1iiA]
SCLC is highly radiosensitive and thoracic radiation therapy improves survival of patients with LD and ED tumors.[13,14,15][Level of evidence: 1iiA] Prophylactic cranial radiation prevents central nervous system recurrence and may improve the long-term survival of patients who have responded to chemoradiation therapy [16,17,18][Level of evidence: 1iiA] and offers palliation of symptomatic metastatic disease.
Treatment for patients with limited-stage, extensive-stage, or recurrent SCLC is summarized in Table 1.
Table 1. Standard Treatment Options for Patients With Small Cell Lung Cancer
|Stage||Standard Treatment Options|
|Limited-stage disease||Chemotherapy and radiation therapy|
|Combination chemotherapy alone|
|Surgery followed by chemotherapy or chemoradiotherapy|
|Prophylactic cranial irradiation|
|Extensive-stage disease||Combination chemotherapy|
|Prophylactic cranial irradiation|
Despite treatment advances, the majority of patients with SCLC die of their tumor even with the best available therapy. Most of the improvements in the survival of patients with SCLC are attributable to clinical trials that have attempted to improve on the best available and most accepted therapy. Patient entry into such studies is highly desirable.
Information about ongoing clinical trials is available from the NCI Web site.
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- Murray N, Livingston RB, Shepherd FA, et al.: Randomized study of CODE versus alternating CAV/EP for extensive-stage small-cell lung cancer: an Intergroup Study of the National Cancer Institute of Canada Clinical Trials Group and the Southwest Oncology Group. J Clin Oncol 17 (8): 2300-8, 1999.
- Amarasena IU, Walters JA, Wood-Baker R, et al.: Platinum versus non-platinum chemotherapy regimens for small cell lung cancer. Cochrane Database Syst Rev (4): CD006849, 2008.
- Pignon JP, Arriagada R, Ihde DC, et al.: A meta-analysis of thoracic radiotherapy for small-cell lung cancer. N Engl J Med 327 (23): 1618-24, 1992.
- Warde P, Payne D: Does thoracic irradiation improve survival and local control in limited-stage small-cell carcinoma of the lung? A meta-analysis. J Clin Oncol 10 (6): 890-5, 1992.
- Murray N, Coy P, Pater JL, et al.: Importance of timing for thoracic irradiation in the combined modality treatment of limited-stage small-cell lung cancer. The National Cancer Institute of Canada Clinical Trials Group. J Clin Oncol 11 (2): 336-44, 1993.
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- Aupérin A, Arriagada R, Pignon JP, et al.: Prophylactic cranial irradiation for patients with small-cell lung cancer in complete remission. Prophylactic Cranial Irradiation Overview Collaborative Group. N Engl J Med 341 (7): 476-84, 1999.
- Slotman B, Faivre-Finn C, Kramer G, et al.: Prophylactic cranial irradiation in extensive small-cell lung cancer. N Engl J Med 357 (7): 664-72, 2007.
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